01 09 2019

By their nature they are extinguished stars. When the star ends with thermonuclear fuel, the process of its cooling begins. With a decrease in pressure inside under the influence of gravity, the cosmic body contractes. As a result, the star conducts a gradual attraction and absorption of objects. This is the process of nucleation of a black hole.

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Inside them, gravity is of such magnitude that even light can not escape from it.

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In this case, the area surrounding the hole emits an unusually bright glow. This is provided by white light, which is released by heated objects, and also by interstellar gas spiraling around a black hole. In this case, rotation occurs at a tremendous rate, and friction is a source of a large amount of heat.

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The maximum level of glow of cosmic objects limits the Eddington limit. For massive black holes, a pressure equilibrium with gravitational forces is established. The resulting stellar wind can push back a part of the attracted particles.

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Speaking of black holes, interesting facts, we note that in the universe these are the heaviest objects. The gravitational acceleration of high power created by them, combined with the critical mass, can provoke a powerful explosion. According to scientists, such explosions have happened before. The result is the stars pushed from their orbits.

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Researchers believe that a black hole can fulfill the role of a kind of "star of death." It can absorb all objects falling into the gravitational field, as well as emit powerful currents of cosmic energy, being akin to a cosmic cannon of enormous power. Such energy flows are the rays of a plasma with a length of up to 20,000 light years. At the same time, all objects are destroyed along the way, including stars and planets.

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Near the black holes, the stars rotate at prohibitive speeds. It is instructive to compare the velocities of the motion around the Sun of the planet Mercury and the stars around black holes - 48 km / sec versus 48 thousand km/s.

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Myth 8. The span of the ship through the asteroid belt is very complicated. A stable myth about the belts of asteroids is also due to movies. It should be noted that the alarming density in the films is the density of the belts of asteroids is large only by space standards. In real life hundreds of thousands of kilometers are measured "gaps" between fragments the size of a kilometer, forming such belts.